/Engine/Source/Editor/UnrealEd/Public/SComponentClassCombo.h
Can optionally be called to set unloaded component type data to assist with class filtering.
void SetUnloadedBlueprintData ( [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [IUnloadedBlueprintData](API\Editor\ClassViewer\IUnloadedBlueprintData) > InUnloadedBlueprintData )